Pair of headphones



FIG. 1 is a perspective view of a pair of headphones showing my new design.

FIG. 2 is a top view thereof.

FIG. 3 is a bottom view thereof.

FIG. 4 is a left side view thereof.

FIG. 5 is a right side view thereof.

FIG. 6 is a back view thereof; and,

FIG. 7 is a front view thereof.

Broken lines in the drawings are included for the purpose of illustrating an environment and form no part of the claimed design. 

CLAIM The ornamental design for pair of headphones, as shown and described. 